#单行注释
print("hello,world you will have a good job")

money=50

#冰淇淋10
money=money-10

print("买完冰淇淋之后，还剩",money,"元")

print(type("jinghui"))

type_name=type(123)
print(type_name)

num=str(123)
print(type(num))

int_num=int(12.56)
print(type(int_num),int_num)


num=(1+2)*3
print(num)